Re: [tip: x86/mm] x86/mm: Clear _PAGE_DIRTY when we clear _PAGE_RW

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Subject: Re: [tip: x86/mm] x86/mm: Clear _PAGE_DIRTY when we clear _PAGE_RW
From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Wed, 26 Feb 2025 11:46:35 -0800
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-tip-commits@xxxxxxxxxxxxxxx, kernel test robot <oliver.sang@xxxxxxxxx>, x86@xxxxxxxxxx
In-reply-to: <Z77zNK7mRdjwILL7@gmail.com>
References: <174051422675.10177.13226545170101706336.tip-bot2@tip-bot2> <CAHk-=whfkWMkQOVMCxqcJ6+GWdSZTLcyDUmSRCVHV4BtbwDrHA@mail.gmail.com> <Z76APkysrjgHjgR2@casper.infradead.org> <CAHk-=wj+VBV5kBMfXYNOb+aLt3WJqMKFT0wU=KaV3R12NvN5TA@mail.gmail.com> <Z76R6ESSwiYipQVn@casper.infradead.org> <CAHk-=whS1uq_4hEgkZJogv_HMhe_PJ-RyMs6E303_Pa+W0zx0A@mail.gmail.com> <Z77zNK7mRdjwILL7@gmail.com>

On Wed, 26 Feb 2025 at 02:56, Ingo Molnar <mingo@xxxxxxxxxx> wrote:
>
> Is this explanation better?

Ack. Just making it clear that it's always kernel pages, never a user
address range makes it fine in my book,

       Linus

References:
- [tip: x86/mm] x86/mm: Clear _PAGE_DIRTY when we clear _PAGE_RW
  - From: tip-bot2 for Matthew Wilcox (Oracle)
- Re: [tip: x86/mm] x86/mm: Clear _PAGE_DIRTY when we clear _PAGE_RW
  - From: Linus Torvalds
- Re: [tip: x86/mm] x86/mm: Clear _PAGE_DIRTY when we clear _PAGE_RW
  - From: Matthew Wilcox
- Re: [tip: x86/mm] x86/mm: Clear _PAGE_DIRTY when we clear _PAGE_RW
  - From: Linus Torvalds
- Re: [tip: x86/mm] x86/mm: Clear _PAGE_DIRTY when we clear _PAGE_RW
  - From: Matthew Wilcox
- Re: [tip: x86/mm] x86/mm: Clear _PAGE_DIRTY when we clear _PAGE_RW
  - From: Linus Torvalds
- Re: [tip: x86/mm] x86/mm: Clear _PAGE_DIRTY when we clear _PAGE_RW
  - From: Ingo Molnar

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